Junior Men's Decathlon
| Year | Note | First | Second | Third |
|---|---|---|---|---|
| 1975-76 | U19 | Paul LITTLEJOHN (SB) 3602pts | ||
| 1976-77 | U19 | Steven KNOTT (ES) 5633pts | Rodney PULLEN (ES) 4651pts | Paul LITTLEJOHN (SB) 4454pts |
| 1977-78 | U19 | Steven KNOTT (ES) 5851pts | Kevin YOUNG (OVA) 4292pts | Peter BEVERIDGE (TAM) 3282pts |
| 1978-79 | U19 | Murat DJAKIC (NL) 4885pts | Kevin YOUNG (OVA) 4678pts | T BROWN (VIC) |
| 1979-80 | U20 | David BRESNER (TAM) 4476pts | Kevin YOUNG (OVA) 4186pys | Quentin KING (TAM) 3690pts |
| 1980-81 | U20 | Shane FOSTER (ULV) 5483pts | Dale COOMBE (TAM) 4693pts | R CARTER (SB) 4272pts |
| 1981-82 | U20 | Shane FOSTER (ULV) 5687pts | Andrew TOMAS (VIC) 5055pts (2)Peter SHERWOOD (SB) 4730pts |
|
| 1982-83 | U20 | Shane FOSTER (ULV) 5763pts | Cole LARSEN (RIV) 5531pts | |
| 1983-84 | U20 | Tony DONALD (NL) 5454pts | ||
| 1984-85 | U20 | Tony DONALD (NL) 5638pts | Mark HILDER (RIV) 5209pts | |
| 1985-86 | U20 | Shane HOLUBNYTSCHYJ (NS) 5836pts | ||
| 1986-87 | U20 | NOT CONTESTED | ||
| 1987-88 | U20 | Dwayne KIRKBY (NL) 5446pts | ||
| 1988-89 | U20 | Andrew DONALD (NL) 5487pts | ||
| 1989-90 | U20 | NOT CONTESTED | ||
| 1990-91 | U20 | NOT CONTESTED | ||
| 1991-92 | U20 | Stuart MAXWELL (NS) 5856pts | ||
| 1992-93 | U20 | Stuart MAXWELL (NS) 5927pts | Nathan SLATER (NL) 4909pts | |
| 1993-94 | U20 | NOT CONTESTED | ||
| 1998-99 | U20 | David O'TOOLE (NEW) 6135pts | Torin PHILPOTT (RIV) 5454pts | Trent GRAHAM (NW) 5143pt |
| 2002-03 | U20 | Sean BROADBY (SB) 6313pts | Jarratt HORTON (ES) 6151pts | Matthew RICKARDS (SB) 5992pts |
| 2004-05 | U20 | Jeremy COLES (NW) 4472pts | Bowie QUILLERAT (NL) 3414pts | |
| 2005-06 | U20 | NOT CONTESTED | ||
| 2006-07 | U20 | Jasper DA SEYMOUR (NEW) 5206pts | ||
| 2007-08 | U20 | James GUEST (NEW) 3804pts | ||
| 2008-09 | U20 | Chris MCCONNELL (ES) 5544pts | ||
| 2009-10 | U20 | Chris MCCONNELL (ES) 5214pts | Josh MASON (NS) 4666pts | |
| 2010-11 | U20 | Jayden HEY (OVA) 5102pts | Josh MASON (NS) 4360pts | |
| 2011-12 | U20 | NOT CONTESTED | ||
| 2012-13 | U20 | NOT CONTESTED | ||
| 2013-14 | U20 | NOT CONTESTED | ||
| 2014-15 | U20 | NOT CONTESTED | ||
| 2018-19 | U20 | Fergus FLETCHER (OVA) 4002pts | ||
| 2019-20 | U20 | Fergus FLETCHER (OVA) 4649pts | ||
| 2020-21 | U20 | Cameron MANN (SB) 4154pts (U20 Specs) | ||
| 2021-22 | U20 | NOT CONTESTED | ||
| 2022-23 | U20 | NOT CONTESTED | ||
| 2023-24 | U20 | Thomas WATTERS (NL) 4834pts (U20 Specs) | ||
| Year | Note | First | Second | Third |
